Photovoltaic module wiring device
Through the design of the telescopic rod and spring in the junction box, the time-consuming and labor-intensive connection and insufficient protection of the wiring device of the photovoltaic module are solved, and stable connection and sealing are achieved, and service life is extended.
Patent Information
- Application Number
- CN202422500635.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-10-16
AI Technical Summary
The existing photovoltaic module wiring devices are time-consuming and labor-intensive when connecting wires, and cannot effectively protect the wiring port from rainwater and dust, affecting its service life.
The junction box design is adopted, and the telescopic rod and spring are used to cooperate with the conductive block for stable connection, and dust and rainwater are prevented from entering through the sealing sleeve, which combines the limit structure to improve connection stability and sealing.
The stable contact and sealing effect of the conductive block is achieved, the connection efficiency is improved, and the service life of the device is extended.
Smart Images

Figure CN223219065U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of photovoltaic component wiring, in particular to a photovoltaic component wiring device. Background Art
[0002] Photovoltaic power generation is a technology that uses the photovoltaic effect of semiconductor interfaces to directly convert light energy into electrical energy. It mainly consists of three parts: solar panels, controllers and inverters. The main components are made of electronic components. Solar cells are connected in series and then packaged and protected to form large-area solar cell modules. Combined with power controllers and other components, a photovoltaic power generation device is formed. In photovoltaic power generation, the wiring of photovoltaic modules is usually connected by wiring devices fixed with bolts and copper buckles.
[0003] Announcement No. CN218450028U discloses a photovoltaic module wiring device for photovoltaic power generation, including a module box, wherein the photovoltaic module is fixedly installed inside the module box, a wiring port is installed on the left side of the module box corresponding to the photovoltaic module, a plurality of corresponding nut ports are provided on the bottom surface of the module box through a fixed side panel, bolts are installed on the fixed side panel corresponding to the nut ports to position and adjust the angle of the cavity sleeve, a coil ring is movably provided on the front side of the interior of the cavity sleeve, a threaded opening is fixedly installed on the upper surface of the coil ring and a bolt rod is correspondingly installed, and a rubber block is connected to the bottom of the bolt rod. The utility model provides a photovoltaic module wiring device for photovoltaic power generation, which can drive the rubber block to be adaptively tightened and fixed by the bolt rod installed on the coil ring during the process of fixing the wire, adapting to wires of different sizes, and adjusting the degree of tightness of the wire at the same time, and the angle of the whole can be adjusted by a turntable in conjunction with the nut port, which is more flexible. In addition, the existing wiring device has the following disadvantages during use:
[0004] (1) When connecting wires, existing wiring devices need to use bolts to fix them, which is time-consuming and labor-intensive, greatly affecting the connection efficiency of the wires between photovoltaic power generation components. Since photovoltaic power generation components are usually directly exposed to the outside, existing photovoltaic power generation wiring devices cannot better protect the wiring ports, making them susceptible to erosion by rain and dust, affecting the service life of the photovoltaic power generation component wiring devices.
[0005] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Utility Model Content
[0006] The technical problem to be solved by the present invention is to overcome the above technical defects and provide a photovoltaic module wiring device.
[0007] In order to solve the above problems, the technical solution of the present utility model includes:
[0008] A junction box, wherein a fixing plate is symmetrically fixedly connected to the front and rear bottom sides of the junction box, a cavity is symmetrically provided on the front of the junction box, and an inner cavity is respectively provided on the top and bottom sides of the inner front of the two cavities, and a telescopic rod is respectively provided on both sides of the inner rear of each cavity, and a spring is respectively sleeved on the outer wall of the two telescopic rods, and a conductive block is fixedly connected to the front end of the two telescopic rods, and an extension sleeve is provided on the front side of the two cavities;
[0009] Tensile structures, the number of the tensile structures being four, and the four groups of tensile structures being respectively arranged inside the inner cavity;
[0010] A connecting wire, the rear end of which is fixedly connected to the second conductive block, a release block being sleeved on one side of the outer wall of the connecting wire and a sealing sleeve being sleeved on the other side, and through cavities being respectively provided on both sides of the inner rear portion of the sealing sleeve;
[0011] The limiting structures are two groups in number, and the two groups of limiting structures are respectively arranged inside the through cavity.
[0012] Furthermore, the conductive block 2 and the release block are both shaped like bosses, the protruding direction of the conductive block 2 is backward, the protruding directions of the conductive block 2 and the release block are opposite, the opposite sides of the conductive block 2 and the release block are provided with rounded corners, and the release block is made of rubber.
[0013] Furthermore, each group of the tensile structure includes two telescopic rods, two springs and a trapezoidal block. The number of the telescopic rods is two. One end of the two telescopic rods is fixedly connected to the inner wall of the inner cavity, and the other end is fixedly connected to the trapezoidal block. The outer walls of the two telescopic rods are respectively sleeved with two springs, and the rear bottom of the trapezoidal block abuts against the conductive block two.
[0014] Furthermore, fixing holes are respectively provided inside the four fixing plates, and the rear ends of the two telescopic rods are respectively fixedly connected to the inner walls of the cavity. The conductive block is shaped as a boss, and the protruding direction of the conductive block is forward. The front outer wall of the extension sleeve is provided with a number of equidistant limiting holes.
[0015] Furthermore, the release block is connected to the sealing sleeve via two connecting rods, and the inner diameter of the sealing sleeve is larger than the outer diameter of the extension sleeve.
[0016] Furthermore, each group of the limiting structures includes three telescopic rods, three springs and a limiting block. One end of the telescopic rod three is fixedly connected to the inner wall of the through cavity, and the other end is fixedly connected to the limiting block. The outer wall of the telescopic rod three is sleeved with three springs. The end of the limiting block away from the telescopic rod three is provided with a rounded corner, and the limiting block is adaptively connected to the limiting hole.
[0017] The advantages of this utility model compared with the existing technology are:
[0018] 1. The utility model provides a photovoltaic module wiring device. A second conductive block is inserted into a cavity. A telescopic rod and a first spring cooperate to push the first conductive block against the second conductive block for power transmission. Two sets of symmetrically arranged tensile structures cooperate to allow the second telescopic rod and the second spring to push the rear side of the trapezoidal block against the front side of the second conductive block, thereby limiting the position of the second conductive block and ensuring stable contact between the first and second conductive blocks.
[0019] 2. The utility model provides a photovoltaic module wiring device, which pushes the limit block into the inside of the limit hole through the telescopic rod three and the spring three, thereby ensuring the connection between the sealing sleeve and the extension sleeve. The sealing sleeve seals the inside of the cavity, thereby preventing dust or rainwater from entering the cavity and increasing the service life of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a three-dimensional diagram of the present utility model.
[0021] Figure 2 yes Figure 1 Schematic cross-sectional view of the structure near the middle cavity.
[0022] Figure 3 yes Figure 2 Enlarged view of point A in the middle.
[0023] Figure 4 yes Figure 1 A magnified three-dimensional image of the structure near the middle connecting line.
[0024] Figure 5 yes Figure 4 A side cross-sectional schematic diagram of .
[0025] As shown in the figure: 1. Junction box; 2. Fixing plate; 3. Fixing hole; 4. Cavity; 5. Extension sleeve; 6. Limiting hole; 7. Telescopic rod one; 8. Spring one; 9. Conductive block one; 10. Tensile structure; 1001. Telescopic rod two; 1002. Spring two; 1003. Trapezoidal block; 11. Connecting wire; 12. Conductive block two; 13. Sealing sleeve; 14. Limiting structure; 1401. Telescopic rod three; 1402. Spring three; 1403. Limiting block; 15. Connecting rod; 16. Release block. DETAILED DESCRIPTION
[0026] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present disclosure. Rather, they are merely examples of devices consistent with certain aspects of the present disclosure, as detailed in the appended claims.
[0027] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0028] Example 1:
[0029] like Figures 1 to 5 As shown, this embodiment proposes a photovoltaic module wiring device, including a junction box 1, a tensile structure 10, a connecting wire 11 and a limiting structure 14. The front and rear bottom sides of the junction box 1 are symmetrically fixedly connected with a fixing plate 2. The front of the junction box 1 is symmetrically provided with a cavity 4. The top and bottom sides of the inner front of the two cavities 4 are respectively provided with an inner cavity. A telescopic rod 7 is respectively provided on both sides of the inner rear of each cavity 4. The outer walls of the two telescopic rods 7 are respectively sleeved with a spring 8. The front ends of the two telescopic rods 7 are fixedly connected with a conductive block 9. The front sides of the two cavities 4 are provided with an extension sleeve 5. There are four groups of tensile structures 10, and the four groups of tensile structures 10 are respectively arranged inside the inner cavity. The rear end of the connecting wire 11 is fixedly connected with a conductive block 2 12. A release block 16 is sleeved on one side of the outer wall of the connecting wire 11, and a sealing sleeve 13 is sleeved on the other side. Through cavities are respectively provided on both sides of the inner rear of the sealing sleeve 13. There are two groups of limiting structures 14, and the two groups of limiting structures 14 are respectively arranged inside the through cavity.
[0030] Example 2:
[0031] The scheme in Example 1 is further introduced below in combination with the specific working method, as described below for details: the four fixing plates 2 are respectively provided with fixing holes 3 inside, the rear ends of the two telescopic rods 7 are respectively fixedly connected to the inner wall of the cavity 4, the conductive block 9 is shaped as a boss, and the protruding direction of the conductive block 9 is forward, and the front outer wall of the extension sleeve 5 is provided with a number of equidistant limiting holes 6, the conductive block 2 12 and the release block 16 are both shaped as bosses, and the protruding direction of the conductive block 2 12 is backward, and the protruding directions of the conductive block 2 12 and the release block 16 are opposite, and the opposite sides of the conductive block 2 12 and the release block 16 are provided with rounded corners, and the material of the release block 16 is rubber.
[0032] Example 3:
[0033] The solution in Example 2 is further introduced below in combination with the specific working method, as described below for details: the release block 16 is connected to the sealing sleeve 13 through two connecting rods 15, the inner diameter of the sealing sleeve 13 is larger than the outer diameter of the extension sleeve 5, and each group of tensile structures 10 includes a second telescopic rod 1001, a second spring 1002 and a trapezoidal block 1003. There are two telescopic rods 1001, one end of the two telescopic rods 1001 is fixedly connected to the inner wall of the inner cavity, and the other end is fixedly connected to the trapezoidal block 1003. The outer walls of the two telescopic rods 1001 are respectively sleeved with the second spring 1002, and the rear bottom of the trapezoidal block 1003 abuts the conductive block 12. The material of the trapezoidal block 1003 is an insulator.
[0034] Insert the conductive block 2 12 into the cavity 4, and through the cooperation of the telescopic rod 1 7 and the spring 1 8, push the conductive block 1 9 to abut against the conductive block 2 12 for power transmission. Through the cooperation of the two sets of symmetrically arranged tensile structures 10, the telescopic rod 2 1001 and the spring 2 1002 push the rear side of the trapezoidal block 1003 to abut against the front side of the conductive block 2 12, thereby completing the limitation of the conductive block 2 12 and ensuring the stable contact between the conductive block 1 9 and the conductive block 2 12.
[0035] Example 4:
[0036] The scheme in Example 3 is further introduced below in combination with the specific working method, as described below for details: Each group of limiting structures 14 includes a telescopic rod three 1401, a spring three 1402 and a limiting block 1403, one end of the telescopic rod three 1401 is fixedly connected to the inner wall of the through cavity, and the other end is fixedly connected to the limiting block 1403, the outer wall of the telescopic rod three 1401 is sleeved with the spring three 1402, and the limiting block 1403 is provided with a rounded corner at the end away from the telescopic rod three 1401, and the limiting block 1403 is adaptively connected to the limiting hole 6.
[0037] The limiting block 1403 is pushed into the limiting hole 6 by the telescopic rod 3 1401 and the spring 3 1402, thereby ensuring the connection between the sealing sleeve 13 and the extension sleeve 5. The sealing sleeve 13 seals the interior of the cavity 4, thereby preventing dust or rainwater from entering the cavity 4 and increasing the service life of the utility model.
[0038] During specific use, when connection is required, the conductive block 2 12 is inserted into the cavity 4, the telescopic rod 2 1001 and the spring 2 1002 push the rear side of the trapezoidal block 1003 to abut the front side of the conductive block 2 12, thereby completing the limitation of the conductive block 2 12, and the conductive block 1 9 is pushed to abut the conductive block 2 12 through the cooperation of the telescopic rod 1 7 and the spring 1 8 to transmit electricity, and the limiting block 1403 is pushed to be inserted into the inside of the limiting hole 6 through the telescopic rod 3 1401 and the spring 3 1402, thereby ensuring the connection between the sealing sleeve 13 and the extension sleeve 5, and the inside of the cavity 4 is sealed by the sealing sleeve 13.
[0039] During disassembly, the sealing sleeve 13 is manually pushed backward, and the release block 16 is pushed backward by the connecting rod 15. The release block 16 that moves backward pushes the trapezoidal block 1003 to retract into the inner cavity, and then the connecting line 11 can be directly pulled out, which improves the efficiency of the staff in disassembling and installing the connecting line 11.
[0040] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.
[0041] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
[0042] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.
Claims
1. A photovoltaic module wiring device, characterized in that: include: A junction box (1), wherein a fixing plate (2) is symmetrically fixedly connected to the front and rear bottom sides of the junction box (1), a cavity (4) is symmetrically provided at the front of the junction box (1), an inner cavity is provided at the top and bottom sides of the inner front of the two cavities (4), a telescopic rod (7) is provided on both sides of the inner rear of each cavity (4), a spring (8) is sleeved on the outer walls of the two telescopic rods (7), a conductive block (9) is fixedly connected to the front ends of the two telescopic rods (7), and an extension sleeve (5) is provided at the front sides of the two cavities (4); Tensile structures (10), the number of the tensile structures (10) is four, and the four groups of tensile structures (10) are respectively arranged inside the inner cavity; A connecting wire (11), wherein the rear end of the connecting wire (11) is fixedly connected to a second conductive block (12), a release block (16) is sleeved on one side of an outer wall of the connecting wire (11), and a sealing sleeve (13) is sleeved on the other side, and through cavities are respectively provided on both sides of the inner rear portion of the sealing sleeve (13); The limiting structures (14) are provided in two groups, and the two groups of limiting structures (14) are respectively arranged inside the through cavity.
2. A photovoltaic module wiring device according to claim 1, characterized in that: The four fixing plates (2) are respectively provided with fixing holes (3) inside, the rear ends of the two telescopic rods (7) are respectively fixedly connected to the inner wall of the cavity (4), the conductive block (9) is in the shape of a boss, and the protruding direction of the conductive block (9) is forward, and the front outer wall of the extension sleeve (5) is provided with a plurality of equidistant limiting holes (6).
3. A photovoltaic module wiring device according to claim 2, characterized in that: The conductive block 2 (12) and the release block (16) are both shaped like bosses. The protruding direction of the conductive block 2 (12) is backward. The protruding directions of the conductive block 2 (12) and the release block (16) are opposite. The opposite sides of the conductive block 2 (12) and the release block (16) are both provided with rounded corners. The material of the release block (16) is rubber.
4. A photovoltaic module wiring device according to claim 3, characterized in that: The release block (16) is connected to the sealing sleeve (13) via two connecting rods (15), and the inner diameter of the sealing sleeve (13) is larger than the outer diameter of the extension sleeve (5).
5. A photovoltaic module wiring device according to claim 4, characterized in that: Each group of the tensile structure (10) includes two telescopic rods (1001), two springs (1002) and a trapezoidal block (1003). The number of the two telescopic rods (1001) is two. One end of the two telescopic rods (1001) is fixedly connected to the inner wall of the inner cavity, and the other end is fixedly connected to the trapezoidal block (1003). The outer walls of the two telescopic rods (1001) are respectively sleeved with the springs (1002). The rear bottom of the trapezoidal block (1003) abuts against the conductive block (12).
6. A photovoltaic module wiring device according to claim 5, characterized in that: Each group of the limiting structures (14) includes a telescopic rod three (1401), a spring three (1402) and a limiting block (1403), one end of the telescopic rod three (1401) is fixedly connected to the inner wall of the through cavity, and the other end is fixedly connected to the limiting block (1403), the outer wall of the telescopic rod three (1401) is sleeved with the spring three (1402), and the end of the limiting block (1403) away from the telescopic rod three (1401) is provided with a rounded corner, and the limiting block (1403) is adaptively connected to the limiting hole (6).